package com.cuijq.eduorder.service.impl;

import com.alibaba.fastjson.JSONObject;
import com.baomidou.mybatisplus.core.conditions.query.QueryWrapper;
import com.cuijq.eduorder.entity.Order;
import com.cuijq.eduorder.entity.PayLog;
import com.cuijq.eduorder.mapper.PayLogMapper;
import com.cuijq.eduorder.service.OrderService;
import com.cuijq.eduorder.service.PayLogService;
import com.baomidou.mybatisplus.extension.service.impl.ServiceImpl;
import com.cuijq.eduorder.utils.HttpClient;
import com.cuijq.eduschool.exceptionhandler.EduException;
import com.github.wxpay.sdk.WXPayUtil;
import java.math.BigDecimal;
import java.util.Date;
import java.util.HashMap;
import java.util.Map;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.stereotype.Service;

/**
 * <p>
 * 支付日志表 服务实现类
 * </p>
 *
 * @author testjava
 * @since 2021-07-17
 */
@Service
public class PayLogServiceImpl extends ServiceImpl<PayLogMapper, PayLog> implements PayLogService {
  @Autowired
  private OrderService orderService;
  //生成微信支付二维码接口
  @Override
  public Map createNatvie(String orderNo) {
    try {
      //1 根据订单号查询订单信息
      QueryWrapper<Order> wrapper = new QueryWrapper<>();
      wrapper.eq("order_no",orderNo);
      Order order = orderService.getOne(wrapper);

      //2 使用map设置生成二维码需要参数
      Map m = new HashMap();
      m.put("appid","wx74862e0dfcf69954");
      m.put("mch_id", "1558950191");
      m.put("nonce_str", WXPayUtil.generateNonceStr());
      m.put("body", order.getCourseTitle()); //课程标题
      m.put("out_trade_no", orderNo); //订单号
      m.put("total_fee", order.getTotalFee().multiply(new BigDecimal("100")).longValue()+"");
      m.put("spbill_create_ip", "127.0.0.1");
      m.put("notify_url", "http://guli.shop/api/order/weixinPay/weixinNotify\n");
      m.put("trade_type", "NATIVE");

      //3 发送httpclient请求，传递参数xml格式，微信支付提供的固定的地址
      HttpClient client = new HttpClient("https://api.mch.weixin.qq.com/pay/unifiedorder");
      //设置xml格式的参数
      client.setXmlParam(WXPayUtil.generateSignedXml(m,"T6m9iK73b0kn9g5v426MKfHQH7X8rKwb"));
      client.setHttps(true);
      //执行post请求发送
      client.post();

      //4 得到发送请求返回结果
      //返回内容，是使用xml格式返回
      String xml = client.getContent();

      //把xml格式转换map集合，把map集合返回
      Map<String,String> resultMap = WXPayUtil.xmlToMap(xml);

      //最终返回数据 的封装
      Map map = new HashMap();
      map.put("out_trade_no", orderNo);
      map.put("course_id", order.getCourseId());
      map.put("total_fee", order.getTotalFee());
      map.put("result_code", resultMap.get("result_code"));  //返回二维码操作状态码
      map.put("code_url", resultMap.get("code_url"));        //二维码地址

      return map;
    }catch(Exception e) {
      throw new EduException(20001,"生成二维码失败");
    }

  }

  //查询订单支付状态
  @Override
  public Map<String, String> queryPayStatus(String orderNo) {
    try {
      //1、封装参数
      Map m = new HashMap<>();
      m.put("appid", "wx74862e0dfcf69954");
      m.put("mch_id", "1558950191");
      m.put("out_trade_no", orderNo);
      m.put("nonce_str", WXPayUtil.generateNonceStr());

      //2 发送httpclient
      HttpClient client = new HttpClient("https://api.mch.weixin.qq.com/pay/orderquery");
      client.setXmlParam(WXPayUtil.generateSignedXml(m,"T6m9iK73b0kn9g5v426MKfHQH7X8rKwb"));
      client.setHttps(true);
      client.post();

      //3 得到请求返回内容
      String xml = client.getContent();
      Map<String, String> resultMap = WXPayUtil.xmlToMap(xml);
      //6、转成Map再返回
      return resultMap;
    }catch(Exception e) {
      return null;
    }
  }

  //添加支付记录和更新订单状态
  @Override
  public void updateOrdersStatus(Map<String, String> map) {
    //从map获取订单号
    String orderNo = map.get("out_trade_no");
    //根据订单号查询订单信息
    QueryWrapper<Order> wrapper = new QueryWrapper<>();
    wrapper.eq("order_no",orderNo);
    Order order = orderService.getOne(wrapper);

    //更新订单表订单状态
    if(order.getStatus().intValue() == 1) { return; }
    order.setStatus(1);//1代表已经支付
    orderService.updateById(order);

    //向支付表添加支付记录
    PayLog payLog = new PayLog();
    payLog.setOrderNo(orderNo);  //订单号
    payLog.setPayTime(new Date()); //订单完成时间
    payLog.setPayType(1);//支付类型 1微信
    payLog.setTotalFee(order.getTotalFee());//总金额(分)

    payLog.setTradeState(map.get("trade_state"));//支付状态
    payLog.setTransactionId(map.get("transaction_id")); //流水号
    payLog.setAttr(JSONObject.toJSONString(map));

    baseMapper.insert(payLog);
  }
}
